标题: UL153 mounting means test [打印本页] 作者: daocaoren 时间: 2013-5-2 16:59 标题: UL153 mounting means test 156.2 Test method. @" }) v: ?7 r
156.2.1 Each test is to be conducted using the hardware provided and with the unit mounted in 5 Q4 ?+ z: l2 Aaccordance with the instructions provided. An adjustable luminaire is to be adjusted to the position that8 t' l8 b! H( }0 Q
results in the most severe test.8 }3 U& S0 P5 i: g
Exception: When the instructions do not specify a minimum mounting surface, the tests are to be 9 Q# E5 v2 N1 l9 C* `conducted using 3/8 inch (9.5 mm) trade size plaster board securely attached to studs on 16 inch (406 7 F# i" p; } A8 zmm) centers.+ W% e R T& F" X% y G5 f% v
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请问红色字是什么意思 , z4 ^% y+ [4 X; J/ Y作者: Nezof 时间: 2013-5-2 17:05
“当说明没有具体最小安装面时”作者: daocaoren 时间: 2013-5-2 17:15